同心县主要农作物水分利用效率和效益评价

摘要

通过研究同心县主要农作物土壤水分与产量、经济效益的对应关系，为指导旱区农业种植提供理论依据。结果表明：6种农作物水分利用效率排序为西瓜>马铃薯>玉米>谷子>糜子>向日葵，而水分利用效益排序为西瓜>向日葵>马铃薯>谷子>玉米>糜子。%The relationship between the soil moisture and the yield and economic benefit of main crops in Tongxin county were studied to provide theoretic basis for guiding the cropping in dry-land regions. The results showed that: The WUE of 6 main crops could be put in order as: watermelon > potato > maize > millet > proso > sunflower; and the EBWU of 6 main crops could be put in order as: watermelon > sunflower> potato > millet > maize > proso.